//
//  Addition.m
//  NSClassFormStringDemo
//  加法运算 : number1 + number2
//  Created by mobao on 16/3/30.
//  Copyright © 2016年 mobao. All rights reserved.
//

#import "Addition.h"

@implementation Addition

//重写父类的运算方法
-(float)operate{
    
    return self.number1+self.number2;
    
}

@end
